Produced by Clare Friedland, Lourdes Aguiar, Elena DiFiore and Shoshanah Wolfson [This story previously aired on July 15, 2017. It was updated on Dec. 29, 2018.] Matt Herren still struggles to make sense of what happened the night of Oct. 12, 2012, when his close friend, Ryan Poston, was killed. "I think about him every day," Herren said. "You don't think something like that is ever going to happen to someone you know." "Is there something I could've done that could've prevented that? And I know a lot of people in his life had to have felt the same way," Herren told "48 Hours" correspondent Peter Van Sant. How did things spiral so out of control between Ryan and his girlfriend, Shayna Hubers, that she shot him to death -- insisting it was to protect herself? "What was lost when your friend was shot and killed?" Van Sant asked Herren. "He's the type of person that you want in your life," he replied. "Not just a friend, but a loving son, a protective, adoring older brother." "He had … [Read more...] about New murder trial for Shayna Hubers: Why did she shoot Ryan Poston six times?
Immediate actions when patient complains of chest pain
In a jaw-dropping moment caught on video, an 18-year-old high school senior rushes to escape from the hospital that saved her life and then, she says, held her captive.At the entrance to the world-renowned Mayo Clinic, the young woman's stepfather helps her out of a wheelchair and into the family car.Staff members come running toward him, yelling "No! No!" One of them grabs the young woman's arm."Get your hands off my daughter!" her stepfather yells.The car speeds away, the stepfather and the patient inside, her mother at the wheel.Mayo security calls 911. "We have had a patient abduction," the security officer tells police, according to a transcript of the call. 'A cautionary tale' The patient's name is Alyssa Gilderhus.She and her family say she wasn't abducted from the Mayo Clinic in February 2017; rather, she escaped. They say the hospital was keeping her there against her will -- that Mayo "medically kidnapped" her.Unhappy with the care she was receiving at Mayo, they say, they … [Read more...] about Escape from the Mayo Clinic: Teen accuses world-famous hospital of ‘medical kidnapping’